40 CFR § 62.14540 - When must I complete each increment of progress?
If you plan to come into compliance after October 4, 2004, you must meet the two increments of progress specified in paragraphs (a) and (b) of this section.
(a) Increment 1. Submit a final control plan by April 5, 2004.
(b) Increment 2. Reach final compliance by October 3, 2005.